Solemnity, Kitchen Finks, and Phyrexian Altar

Prerequisites

• Solemnity on the battlefield
• Kitchen Finks on the battlefield
• Phyrexian Altar on the battlefield

Steps

1. Activate Phyrexian Altar by sacrificing Kitchen Finks, adding one mana of any color
2. Kitchen Finks' persist ability triggers, returning it to the battlefield with zero -1/-1 counters on it due to Solemnity
3. Kitchen Finks entering the battlefield, causing you to gain two life
4. Repeat

Results

• Infinite colored mana
• Infinite death triggers
• Infinite lifegain
• Infinite lifegain triggers
• Infinite sacrifice triggers